Year % of commercial service imports 1977 30.679063519750315 1978 32.70567872448723 1979 24.705959010358736 1980 24.746049418894444 1981 24.96458172135632 1982 26.51362867716489 1983 26.23679985674623 1984 26.513015012697334 1985 27.602959151689888 1986 30.938133117319815 1987 29.08082529149532 1988 28.057536476562813 1989 25.950341821449666 1990 26.268446911192143 1991 26.321428297544866 2005 29.284742281711353 2006 29.376829539043978 2007 27.392892334675068 2008 28.020405343807777 2009 27.060670314285623 2010 25.12291337035829 2011 25.372037786678625 2012 23.496996842400478 2013 23.846167117037172 2014 25.25421433441288 2015 24.928674981731703 2016 24.269020659934327 2017 25.309426883956974 2018 25.762117836991443 2019 23.681228840178818 2020 24.706258609035412 2021 23.459245459320304 2022 20.951261591621876